Quiz about Chapter 1- Magnetic Fields

Question 1

Which one of the following diagrams shows magnets in an "attracting" position? (check movement arrows too!)

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 2

Which one of the following diagrams shows magnets in a repelling position? (check movement lines too!)

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 3

When a compass is near a bar magnet, what happens to a compass needle as you move the compass around?

Accepted Answer

The compass needle follows the pattern of magnetic field lines

Answer

The compass needle always points north.

Answer

The compass needle points in random directions.

Answer

The compass needle's north pole always points to the north pole of the magnet.

Question 4

Magnets repel wood

Accepted Answer

False

Answer

True

Question 5

A magnet must be touching an object to repel it.

Accepted Answer

False

Answer

True

Question 6

Magnets can move other objects from a distance.

Accepted Answer

True

Answer

False

Question 7

Magnets can attract or repel other magnets

Accepted Answer

True

Answer

False

Question 8

Question 8.

Accepted Answer

This is weak evidence to show how magnets interact because there is more than one variable being tested.

Answer

This is strong evidence to show how magnets interact with each other because there is only one variable being tested.

Answer

This is neither strong nor weak evidence to show how magnets interact.

Question 9

What happens when two north poles of a magnet are placed together?

Accepted Answer

they repel

Answer

they attract

Answer

they cancel each other out

Answer

the strength of the magnet is doubled

Question 10

What will happen when these magnets are brought close together?

Accepted Answer

They will repel each other.

Answer

They will attract each other.

Answer

Both magnets will turn to the left

Answer

Both magnets will turn to the right

Question 11

Look closely at the magnetic field lines. Will these magnets attract or repel?

Accepted Answer

Repel

Answer

Attract

Question 12

A magnet cannot not move which of the following objects?

Accepted Answer

a toothpick

Answer

a paper clip

Answer

a nail

Answer

a staple

Question 13

When two magnets attract, they ______________

Accepted Answer

pull together

Answer

push apart

Answer

change color

Answer

get colder

Question 14

When two magnets repel, they ________________

Accepted Answer

push apart

Answer

change color

Answer

pull together

Answer

get colder

Question 15

Look closely at the magnetic field lines. Will these magnets attract or repel?

Accepted Answer

Attract

Answer

Repel

Question 16

The needle of a compass always points to which direction?

Accepted Answer

north

Answer

south

Answer

east

Answer

west

Question 17

How will these trains move when released?

Accepted Answer

Apart

Answer

Together

Question 18

Magnetic field lines always cross.

Accepted Answer

False

Answer

True

Question 19

The motion of liquid _______ in the Earth's core creates a magnetic field.

Accepted Answer

Iron

Answer

Magnesium

Question 20

A compass behaves as it does because each needle acts as a(n) ___________.

Accepted Answer

Magnet

Answer

Guide

Question 21

Magnets attract some metals?

Accepted Answer

true

Answer

false

Question 22

What do magnetic field lines look like when two magnets repel?

Accepted Answer

All field lines connect one pole of a magnet to the opposite pole of the same magnet

Answer

Most field lines connect a pole of one magnet to a pole of the other magnet

Question 23

What do magnetic field lines look like when two magnets attract?

Accepted Answer

Most field lines connect one pole of one magnet to the opposite pole of the other magnet.

Answer

All field lines connect one pole of a magnet to the other pole of that same magnet.

Question 24

Francisco is holding two magnets close to each other. What will happen when he lets go?

Accepted Answer

The magnets will move away from each other because the magnetic force will push the magnets apart.

Answer

The magnets will move closer to each other because the magnetic force will pull the magnets together.

Answer

The magnets will not move because the magnets are not touching.

Answer

The magnets will move away from each other because the magnets are not touching.

Question 25

Based on the magnetic field line diagrams, what will happen next with these two sets of magnets?

Accepted Answer

The magnets in Set 1 will repel, and the magnets in Set 2 will attract.

Answer

The magnets in Set 1 will attract, and the magnets in Set 2 will repel.

Answer

The magnets in Set 1 will not move, and the magnets in Set 2 will attract.

Answer

In both sets the magnets will attract

Chapter 1- Magnetic Fields

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